Fig. 3From: A new sphenodontian (Diapsida: Lepidosauria) from the Upper Triassic (Norian) of Germany and its implications for the mode of sphenodontian evolutionLeft maxillary in A dorsal; B ventral; C lateral; and D medial view. Abbreviations: Ant. proc, anterior process; J. fct, jugal facet; N. fct, nasal facet; N. proc, nasal process; Post. proc, posterior process; Prf. fct, prefrontal facetBack to article page